Dense Pack Cellulose Insulation Cathedral Ceiling

I am thinking about this and my assembly would look like.

Dense pack cellulose insulation cathedral ceiling. There are several major advantages to dense packing completely filling a cathedral ceiling cavity with cellulose. In unvented cathedral ceilings greenfiber stabilized insulation or greenfiber loose fill insulation is dry dense packed over an air impermeable insulation as prescribed per irc 2009. It is a. By filling the entire cavity with a dense pack you get the highest insulation ratings fiberglass or cellulose can achieve.

The insulation will continue to keep the cavity filled. One of the most effective ways of dealing with existing uninsulated frame walls is to blow cellulose into the wall cavities. Energy saver uses a long pvc pipe against the chimney to fill the cathedral ceiling s rafter bays with dense pack cellulose insulation. First cellulose has a natural density about two times that of fiberglass batts and four to five times that of loose blown fiberglass.

The pipe is inserted into each rafter bay through access openings made along the roof ridge. Advantages to dense packing. Cellulose dense pack cathedral ceiling. Many cellulose manufacturers and veteran installers claim problem free slant and unvented cathedral ceiling installations though i would recommend against it and that s probably because most roofing in existing homes does breathe to some extent and the dense pack significantly reduces air flow to the roof deck and can also safely store and.

Shingles roof felt ice guard osb taped seams dense pack cellulose intello drywall paint. It is the dense packing of unvented cathedral ceilings or unvented flat roofs that is the problem. You achieve the maximum insulating capacity. Don t be dense cellulose and dense pack insulation.

The insulation installer is recommending opening the soffits and ridge. Larry janesky of dr. The 475 blog has a new post about unvented dense pack cellulose cathedral ceiling flat roof systems using intello membrane on the inside to allow the assembly to dry to the inside. Thank you glenn berger.

First the good stuff. Figure 3 looks a whole lot better. So bees ants and termites won t find that ceiling so inviting. How can one be certain that the cavities are full and are there moisture concerns.

Cellulose is treated with borate a harmless naturally occurring mineral that has the ability to deter bugs. Full of insulation and a well insulated building. Energy saver suggests dense packing cellulose to insulate this cathedral ceiling where air flow will now be interrupted and insects and pests will be unlikely inhabitants.